Patents by Inventor Tobias Petsch

Tobias Petsch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • USE OF POLYMERS AS FILTERING AIDS AND/OR STABILIZERS
    Publication number: 20200346147
    Abstract: The use of polystyrene-containing polymers as filter aids and/or stabilizers for the filtration or stabilization of aqueous liquids, and also novel particulate polymers which are insoluble in water and scarcely swellable are claimed.
    Type: Application
    Filed: March 12, 2020
    Publication date: November 5, 2020
    Inventors: CHRISTIAN DROHMANN, Helmut Witteler, Axel Sanner, Jürgen Ziehl, Elisa Hamm De Bantleon, Tobias Petsch, Klemens Mathauer, Barbara Lebtig
  • Use of polymers comprising thermoplastic polymers as filtration aids and/or stabilising agent
    Patent number: 10744434
    Abstract: The invention relates to the use of polymers comprising thermoplastic polymers as filtration aids and/or stabilishing agent for the filtration or stabilisation of aqueous liquids.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: August 18, 2020
    Assignee: BASF SE
    Inventors: Christian Drohmann, Tobias Petsch, Thomas Keßler, Frank Müller, Elisa Hamm de Bantleon, Klemens Mathauer
  • Polymers for use as protective layers and other components in electrochemical cells
    Patent number: 10243202
    Abstract: Electrode structures and electrochemical cells are provided. The electrode structures and/or electrochemical cells described herein may include one or more protective layers comprising a polymer layer and/or a gel polymer electrolyte layer. The polymer layer may be formed from the copolymerization of an olefinic monomer comprising at least one electron withdrawing group and an olefinic comonomer comprising at least one electron donating group. Methods for forming polymer layers are also provided.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: March 26, 2019
    Assignees: Sion Power Corporation, BASF SE
    Inventors: Sven Fleischmann, Tobias Petsch, Andrea Misske, Ruediger Schmidt, Veronika G. Viner, Bala Sankaran
  • Polymers for use as protective layers and other components in electrochemical cells
    Patent number: 10069135
    Abstract: Electrode structures and electrochemical cells are provided. The electrode structures and/or electrochemical cells described herein may include one or more protective layers comprising a polymer layer and/or a gel polymer electrolyte layer. The polymer layer may be formed from the copolymerization of an olefinic monomer comprising at least one electron withdrawing group and an olefinic comonomer comprising at least one electron donating group. Methods for forming polymer layers are also provided.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: September 4, 2018
    Assignees: Sion Power Corporation, BASF SE
    Inventors: Sven Fleischmann, Tobias Petsch, Andrea Misske, Ruediger Schmidt, Veronika G. Viner, Bala Sankaran
  • POLYMERS FOR USE AS PROTECTIVE LAYERS AND OTHER COMPONENTS IN ELECTROCHEMICAL CELLS
    Publication number: 20140127419
    Abstract: Electrode structures and electrochemical cells are provided. The electrode structures and/or electrochemical cells described herein may include one or more protective layers comprising a polymer layer and/or a gel polymer electrolyte layer. The polymer layer may be formed from the copolymerization of an olefinic monomer comprising at least one electron withdrawing group and an olefinic comonomer comprising at least one electron donating group. Methods for forming polymer layers are also provided.
    Type: Application
    Filed: October 31, 2013
    Publication date: May 8, 2014
    Applicants: BASF SE, Sion Power Corporation
    Inventors: Sven Fleischmann, Tobias Petsch, Andrea Misske, Ruediger Schmidt, Veronika G. Viner, Bala Sankaran
  • POLYMERS FOR USE AS PROTECTIVE LAYERS AND OTHER COMPONENTS IN ELECTROCHEMICAL CELLS
    Publication number: 20140127577
    Abstract: Electrode structures and electrochemical cells are provided. The electrode structures and/or electrochemical cells described herein may include one or more protective layers comprising a polymer layer and/or a gel polymer electrolyte layer. The polymer layer may be formed from the copolymerization of an olefinic monomer comprising at least one electron withdrawing group and an olefinic comonomer comprising at least one electron donating group. Methods for forming polymer layers are also provided.
    Type: Application
    Filed: October 31, 2013
    Publication date: May 8, 2014
    Applicants: BASF SE, Sion Power Corporation
    Inventors: Sven Fleischmann, Tobias Petsch, Andrea Misske, Ruediger Schmidt, Veronika G. Viner, Bala Sankaran
  • Method for regenerating a filter aid
    Patent number: 8394279
    Abstract: Methods for regenerating filter aids which comprise inorganic, natural or semisynthetic filter aids. The method comprises subjecting the filter aid to a first treatment with an aqueous alkaline solution, treating the filter aid with enzymes, treating the filter aid with a surfactant, and subjecting the filter aid a second treatment with the aqueous alkaline solution. The enzyme treatment and the surfactant treatment steps may be carried out simultaneously or in any order.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: March 12, 2013
    Assignee: BASF SE
    Inventors: Helmut Meffert, Marianna Pierobon, Tobias Petsch, Julia Brodersen, Hermann Josef Feise, Ates Erk, Jörg Kreβ, Ralf Mar, Ralf Lachmuth, Robert Bayer
  • Method for regenerating an auxiliary filtering agent
    Patent number: 7993533
    Abstract: Processes comprising: (i) providing a filter aid comprising a co-extrudate of a water-insoluble polyvinylpyrrolidone and a thermoplastic polymer, (ii) treating the filter aid with aqueous alkali; (iii) subsequently treating the filter aid with an enzyme; and (iv) subsequently thereto carrying out a second treatment with aqueous alkali, to provide a regenerated filter aid, and uses therefor.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: August 9, 2011
    Assignee: BASF SE
    Inventors: Helmut Meffert, Marianna Pierobon, Tobias Petsch, Julia Brodersen, Hermann Josef Feise, Ates Erk, Jörg Kreβ, Ralf Mar, Robert Bayer
  • Method for producing blends consisting of polystyrene and of a cross-linked polyvinyl pyrrolidone having a reduced styrene residual monomer content
    Patent number: 7868093
    Abstract: Process for removal of residual styrene monomers from polystyrene and from blends comprising water-insoluble, crosslinked polyvinylpyrrolidone, via treatment with water, which comprises carrying out the treatment on a particulate solid blend.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: January 11, 2011
    Assignee: BASF SE
    Inventors: Klemens Mathauer, Marianna Pierobon, Tobias Petsch, Karl-Otto Heilmann, Michael Kerber, Robert Bayer
  • Method for producing polymer blends suited for use as filters
    Patent number: 7767125
    Abstract: Process for production of polymer blends which are suitable as filter aids and are composed of polystyrene and of crosslinked water-insoluble polyvinylpyrrolidones via processing of the two components in an extruder, which comprises melting polystyrene in an extruder and then treating it with the polyvinylpyrrolidone, and adding, to the mixture of the components, from 0.1 to 10% by weight of water, based on the total amount of polystyrene and popcorn polymer, and extruding and comminuting the mixture.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: August 3, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Klemens Mathauer, Marianna Pierobon, Tobias Petsch, Simone Schillo, Michael Kerber, Frank Müller
  • METHOD FOR REGENERATING A FILTER AID
    Publication number: 20100176069
    Abstract: Methods for regenerating filter aids which comprise inorganic, natural or semisynthetic filter aids. The method comprises subjecting the filter aid to a first treatment with an aqueous alkaline solution, treating the filter aid with enzymes, treating the filter aid with a surfactant, and subjecting the filter aid a second treatment with the aqueous alkaline solution. The enzyme treatment and the surfactant treatment steps may be carried out simultaneously or in any order.
    Type: Application
    Filed: March 14, 2008
    Publication date: July 15, 2010
    Applicant: BASF SE
    Inventors: Helmut Meffert, Marianna Pierobon, Tobias Petsch, Julia Brodersen, Hermann Josef Feise, Ates Erk, Jörg Kress, Ralf Mar, Ralf Lachmuth, Robert Bayer
  • METHOD FOR REGENERATING AN AUXILIARY FILTERING AGENT
    Publication number: 20090291164
    Abstract: Processes comprising: (i) providing a filter aid comprising a co-extrudate of a water-insoluble polyvinylpyrrolidone and a thermoplastic polymer; (ii) treating the filter aid with aqueous alkali; (iii) subsequently treating the filter aid with an enzyme; and (iv) subsequently thereto carrying out a second treatment with aqueous alkali, to provide a regenerated filter aid, and uses therefor.
    Type: Application
    Filed: September 27, 2007
    Publication date: November 26, 2009
    Applicant: BASF SE
    Inventors: Helmut Meffert, Marianna Pierobon, Tobias Petsch, Julia Brodersen, Hermann Josef Feise, Ates Erk, Jorg Kress, Ralf Mar, Robert Bayer
  • Method for Producing Polymer Blends Suited for Use as Filters
    Publication number: 20080146741
    Abstract: Process for production of polymer blends which are suitable as filter aids and are composed of polystyrene and of crosslinked water-insoluble polyvinylpyrrolidones via processing of the two components in an extruder, which comprises melting polystyrene in an extruder and then treating it with the polyvinylpyrrolidone, and adding, to the mixture of the components, from 0.1 to 10% by weight of water, based on the total amount of polystyrene and popcorn polymer, and extruding and comminuting the mixture.
    Type: Application
    Filed: March 14, 2006
    Publication date: June 19, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Klemens Mathauer, Marianna Pierobon, Tobias Petsch, Simone Schillo, Michael Kerber, Frank Muller
  • Method For Producing Blends Consisting Of Polystyrene And Of A Cross-Linked Polyvinyl Pyrrolidone Having A Reducid Styrene Residual Monomer Content
    Publication number: 20080146739
    Abstract: Process for removal of residual styrene monomers from polystyrene and from blends comprising water-insoluble, crosslinked polyvinylpyrrolidone, via treatment with water, which comprises carrying out the treatment on a particulate solid blend.
    Type: Application
    Filed: March 14, 2006
    Publication date: June 19, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Klemens Mathauer, Marianna Pierobon, Tobias Petsch, Karl-Otto Heilmann, Michael Kerber, Robert Bayer
  • Use of polymers comprising thermoplastic polymers as filtration aids and/or stabilising agent
    Publication number: 20050145579
    Abstract: A description is given of the use of polymers comprising thermoplastic polymers as filter aids and/or stabilizers for filtering or stabilizing aqueous liquids.
    Type: Application
    Filed: April 2, 2003
    Publication date: July 7, 2005
    Inventors: Christian Drohmann, Tobias Petsch, Thomas Kebler, Frank Muller, Elisa Bantleon, Klemens Mathauer
  • Use of polymers as filtering aids and/or stabilizers
    Publication number: 20040094486
    Abstract: The use of polystyrene-containing polymers as filter aids and/or stabilizers for the filtration or stabilization of aqueous liquids, and also novel particulate polymers which are insoluble in water and scarcely swellable are claimed.
    Type: Application
    Filed: April 2, 2003
    Publication date: May 20, 2004
    Inventors: Christian Drohmann, Helmut Witteler, Axel Sanner, J?uuml;rgen Ziehl, Elisa Hamm de Bantleon, Tobias Petsch, Klemens Mathauer, Barabara Lebtig